pH and ORP Cleaning / Storage Solutions
Resources
Hamilton's knowledge base provides a range of explanatory articles, frequently asked questions, and document downloads.
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Catalog - Process Analytics
Download the Process Analytics sensor catalog to learn about the complete offering of Hamilton process sensors and accessories.
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What solution should I store my pH or ORP probe in?
Hamilton recommends storing pH and ORP probes wet in either Hamilton Storage Solution (Ref 238931) or in 3M KCl solution. Click to see the pH/ ORP Sensor Storage and Regeneration Knowledgebase for more information. -
How do I clean an ORP sensor?
The platinum band around the tip of the ORP sensor can oxidize over time. Light scrubbing with a mild abrasive such as toothpaste will remove the oxidization. Rinse with potable water and store in storage solution prior to usage -
How does the DuraCal buffer bottle work?
The Calpak bottle is a unique, patented design which includes a small chamber at the top of the bottle that fills with buffer solution when the bottle is squeezed. Click to see a simple pictorial of how to use this bottle.
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pH and ORP Sensor Cleaning
Answers to common questions on how to clean off build-up and coating on pH sensors and ORP sensors. -
pH / ORP Sensor Storage and Regeneration
How to store a pH sensor? How long can the sensor sit dry? How can the sensor be regenerated? Learn more in this article. -
pH Sensor Shelf Life and Expiration
This article discusses common questions about pH sensor shelf life and pH sensor expiration.

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